# The Ca-H line in the spectrum of star is observed to be at a wavelength of [w] nm. For a sample of calcium

###### Question:

The Ca-H line in the spectrum of star is observed to be at a wavelength of [w] nm. For a sample of calcium at rest relative to us, this line is seen at a wavelength of 395.1 nm. What is the radial velocity for this star?

### You are developing a program that requires you to track the method calls. You can only invoke one method at a time. However, a method call

You are developing a program that requires you to track the method calls. You can only invoke one method at a time. However, a method call may in turn invoke other methods. When a method ends, it returns control back to the calling method. Which data structure should you use to keep track of these m...

### The manager of a dress shop recorded the number of dresses sold during the week the data is as follows

The manager of a dress shop recorded the number of dresses sold during the week the data is as follows 17 15 16 20 15 19 Find the mean deviation for this data 4.98 1.67 2.21 1.91...

### Write ONE system of equations that is clearly easiest to solve using the GRAPHING method, ONE that is clearly easiest to solve

Write ONE system of equations that is clearly easiest to solve using the GRAPHING method, ONE that is clearly easiest to solve using the SUBSTITUTION method, and ONE that is clearly easiest to solve using the ELIMINATION method. PLEASE I NEED HELP ASAP!!!...

### Type the correct answer in each box. Use numerals instead of words.This system of equations has been placed in a matrix:y =

Type the correct answer in each box. Use numerals instead of words. This system of equations has been placed in a matrix:y = 650x + 175y = 25,080 − 120xrow 1 1,1 ___ 1.2 -1 1.3 row 2 1.2 120 2.2 2.3​...

Please help me out with this question. $Please help me out with this question.$...

### What is not a reason why immigrants moved to the cities

What is not a reason why immigrants moved to the cities...

### Late one night on a highway, a car speeds by you and fades into the distance. Under these conditions the pupils of your eyes

Late one night on a highway, a car speeds by you and fades into the distance. Under these conditions the pupils of your eyes have diameters of about 7.3 mm. The taillights of this car are separated by a distance of 1.2 m and emit red light (wavelength = 676 nm in vacuum). How far away from you is th...

### If the temperature at kiev city is 0 Celsius it rises by 6 Celsius over the next 6 hrs what is the temperature

if the temperature at kiev city is 0 Celsius it rises by 6 Celsius over the next 6 hrs what is the temperature at 6pm...

### Which expression is equivalent to c^ 2 -4 c+3 + c+2 3 big(c^ 2 -9 big) ;

Which expression is equivalent to c^ 2 -4 c+3 + c+2 3 big(c^ 2 -9 big) ; $Which expression is equivalent to c^ 2 -4 c+3 + c+2 3 big(c^ 2 -9 big) ;$...

### Help please the function needs to have the amplitude, period, phase shift, and vertical shift

Help please the function needs to have the amplitude, period, phase shift, and vertical shift $Help please the function needs to have the amplitude, period, phase shift, and vertical shift$...

### The Admissions officer for the graduate programs at the University of Pennsylvania believes that the average score on the LSAT paper at his university

The Admissions officer for the graduate programs at the University of Pennsylvania believes that the average score on the LSAT paper at his university is significantly higher than the national average of 1,300. An accepted standard deviation for LSAT scores is 125. A random sample of 25 scores had a...

### A right rectangular prism has edge lengths of 2 inches, 3 inches, and 32 inches. Determine how many

A right rectangular prism has edge lengths of 2 inches, 3 inches, and 32 inches. Determine how many cubes with edge lengths of 1 inch would be needed to fill the prism. Use numbers from the item bank to complete the answer. 0 1 2 3 4 5 6 What is the volume? D0 0 0 What is the volume? cubi inches cub...
HELP PLEASE ! ASAP ! $HELP PLEASE ! ASAP !$...